The NFL Research team takes a look back at Ben Roethlisberger's injury history, and how the Steelers have fared without their franchise quarterback.
Ben Roethlisberger injury history
-Roethlisberger has missed 20 career games (16 to injuries, four to suspension)
-2015: Four games (sprained MCL)
-2012: Three games (shoulder)
-2011: One game (left ankle)
-2010: Four games (suspension)
-2009: One game (concussion)
-2007: One game (ankle)
-2006: One game (appendectomy)
-2005: Four games (right knee)
-2004: One game (rib)
 -Pittsburgh is 11-9 without Roethlisberger since he became the starter in 2004.
-With Ben Roethlisberger: 118-58 record (.670), 23.8 PPG, 358.7 total YPG, 242.5 pass YPG
-Without Ben Roethlisberger: 11-9 record (.550), 21.1 PPG, 294.7 total YPG, 294.7 pass YPG
-The Steelers went 2-2 without Roethlisberger in 2015 (starting QBs were Mike Vick and Landry Jones).
Third down disparity
-With Ben Roethlisberger: 43.4 third down conversion percentage
-Without Ben Roethlisberger: 29.4 third down conversion percentageÂ
Backup QB situation
-Landry Jones and Zach Mettenberger are the other QBs on the Steelers' roster
-Landry Jones as starter: 1-1 record, 57.6 completion percentage, 116.0 pass YPG, 1 TD, 2 INT, 64.2 passer rating
-Zach Mettenberger as starter: 0-10 record, 59.9 completion percentage, 202.5 pass YPG, 10 TD, 11 INT, 75.3 passer ratingÂ
